Tyler Reed, 11, pantomimes playing saxophone along with the University of Houston's Spirit of Houston Marching Band as they play April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance. They performed a work titled "En Masse" by composer Daniel Bernard Roumain, who is doing a two-year residency at UH's Mitchell Center for the Arts. Saturday's concert featured about 150 members of the band as well as Roumain, who plays the violin. less

Tyler Reed, 11, pantomimes playing saxophone along with the University of Houston's Spirit of Houston Marching Band as they play April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit ... more

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance.

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance.

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503724.60732 - Houston Chronicle

Image 3 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance.

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance.

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503727.60732 - Houston Chronicle

Image 4 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green.

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green.

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503728.60732 - Houston Chronicle

Image 5 of 18

Taboola Gallery Frame Item-85307.60732 - Houston Chronicle

Image 6 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance.

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance.

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503729.60732 - Houston Chronicle

Image 7 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. . They performed a work titled "En Masse" by composer Daniel Bernard Roumain, who is doing a two-year residency at UH's Mitchell Center for the Arts. less

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. . They performed a work titled "En Masse" by composer Daniel Bernard Roumain, who is doing a ... more

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503730.60732 - Houston Chronicle

Image 8 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance.

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance.

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503731.60732 - Houston Chronicle

Image 9 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green.

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green.

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503733.60732 - Houston Chronicle

Image 10 of 18

Taboola Gallery Frame Item-85307.60732 - Houston Chronicle

Image 11 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance. They performed a work titled "En Masse" by composer Daniel Bernard Roumain, who is doing a two-year residency at UH's Mitchell Center for the Arts. less

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance. They ... more

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503734.60732 - Houston Chronicle

Image 12 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green.

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green.

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503736.60732 - Houston Chronicle

Image 13 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. Saturday's concert featured about 150 members of the band as well as Roumain, who plays the violin. less

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. Saturday's concert featured about 150 members of the band as well as Roumain, who plays the ... more

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503737.60732 - Houston Chronicle

Image 14 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green.They performed a work titled "En Masse" by composer Daniel Bernard Roumain, who is doing a two-year residency at UH's Mitchell Center for the Arts. Saturday's concert featured about 150 members of the band as well as Roumain, who plays the violin. less

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green.They performed a work titled "En Masse" by composer Daniel Bernard Roumain, who is doing a two-year ... more

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503738.60732 - Houston Chronicle

Image 15 of 18

Taboola Gallery Frame Item-85307.60732 - Houston Chronicle

Image 16 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance.

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green. The University of Houston's Spirit of Houston Marching Band played a four-hour performance.

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503739.60732 - Houston Chronicle

Image 17 of 18

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green.

The University of Houston's Spirit of Houston Marching Band plays April 20, 2013 in Houston at Discovery Green.

Photo: Eric Kayne, For The Chronicle

The University of Houston's Spirit of Houston Marching Band... Photo-4503745.60732 - Houston Chronicle